Results 101 to 110 of about 6,864,061 (305)

The asymptotic number of rooted maps on a surface

open access: yesJournal of Combinatorial Theory, Series A, 1986
Let S be a connected compact 2-manifold without boundary. For an orientable S the type \(g=1-\chi /2\) agrees with the genus (\(\chi\) denotes the Euler characteristic of S). Let \(T_ g(n)\) \((P_ g(n))\) be the numbr of n-edged rooted maps on a (non-)orientable surface of type g; \(TS_ g(n)\), \((PS_ g(n))\) be the number of those not having any ...
Edward A. Bender, E. Rodney Canfield
openaire   +2 more sources

In vitro and in silico modelling of ROS1‐positive non‐small cell lung cancer reveals fusion‐dependent tyrosine kinase inhibitor responses

open access: yesMolecular Oncology, EarlyView.
Drug resistance limits treatment success in a subset of lung cancers driven by ROS1 gene alterations. Using patient‐derived cells and computer simulations, we studied three key mutations and how they affect five targeted drugs. The mutations reduced drug effectiveness in different ways by altering protein structure and behavior.
Farhan Ul Haq   +8 more
wiley   +1 more source

Treatment of Root Surface Covering By Acellular Dermal Matrix

open access: yes, 2018
With increase in esthetic expectations, the treatment of gingival recessions has gained importance in last few years. The aim of this treatment is to cover root surface and gain satisfactory esthetical results.
Kenan NAZAROĞLU   +3 more
core   +1 more source

The degree of a tropical root surface of type A

open access: yesOrbita Mathematicae
9 pages, 1 ...
Ardila-Mantilla, Federico   +1 more
openaire   +3 more sources

A bijection for rooted maps on general surfaces

open access: yesJournal of Combinatorial Theory, Series A, 2017
We extend the Marcus-Schaeffer bijection between orientable rooted bipartite quadrangulations (equivalently: rooted maps) and orientable labeled one-face maps to the case of all surfaces, that is orientable and non-orientable as well. This general construction requires new ideas and is more delicate than the special orientable case, but it carries the ...
Guillaume Chapuy, Maciej Dolega
openaire   +4 more sources

Epigenetic silencing of the liver‐specific lncRNA LUNAR promotes liver cancer progression via NOTCH activation

open access: yesMolecular Oncology, EarlyView.
LUNAR is a liver‐specific long noncoding RNA (lncRNA) that is highly expressed in normal liver but becomes epigenetically silenced in hepatocellular carcinoma through promoter hypermethylation. Loss of LUNAR is associated with NOTCH activation, epithelial–mesenchymal transition, and metastasis, whereas restoring LUNAR restrains metastatic progression ...
Se Ha Jang   +9 more
wiley   +1 more source

Root surface area measurement of permanent dentition in Indian population – CBCT analysis

open access: yesInformatics in Medicine Unlocked, 2017
The area of the root surface of human teeth has been investigated extensively in the dental literature. All previous attempts mainly rely on the use of physical methods to calculate surface area on extracted teeth or use virtual 3D Models for the same ...
Kanika Lakhani   +2 more
doaj   +1 more source

Extracellular vesicle lipidomics liquid biopsy reveals systemic and tumor microenvironment metabolic reprogramming in ovarian cancer

open access: yesMolecular Oncology, EarlyView.
Extracellular vesicle (EV) lipidomic profiling of plasma and ascites from patients with high‐grade serous ovarian cancer and of ovarian cancer cell lines reveals enrichment of triglycerides (TGs), diacylglycerols (DGs), phosphatidylcholine (PCs), sphingomyelins (SMs), reflecting tumor metabolic reprogramming.
Shikha Rani   +9 more
wiley   +1 more source

Surface alloy formation of noble adatoms adsorbed on Si(111)-root 3 x root 3-Pb surface: a first-principles study

open access: yes, 2011
The geometric structures, stability and electronic properties of initial stages of surface alloy formation for noble atoms adsorbed on Si(111)-root 3 x root 3-Pb surfaces have been comparatively and extensively studied by using first-principles ...
Li C, Sun Q, Jia Y, Wang F
core  

The difference of saline and sterile water for tetracycline hydrochloride solvents in cementum demineralization

open access: yesDental Journal, 2016
Background: The root cementum demineralization is an important step in regenerative periodontal therapy to smear layer removal on the root surface. Smear layer on the root surface becomes a barrier of the new attachment between periodontal tissues with ...
Shinta Ferronika   +2 more
doaj   +1 more source

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